DR. SHANNON GRACE FARMAKIS MD
NPI 1720280175
Radiology - Diagnostic Radiology in Saint Louis, MO

Q: What is Shannon Farmakis's NPI number?

The NPI number for Shannon Farmakis is 1720280175. It was assigned to this individual provider in the NPPES registry on June 5, 2007. The provider is also known as Dr. Shannon Grace Lehner MD.

Q: What is Shannon Farmakis's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Shannon Farmakis was last updated on November 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 05, 2007PECOS EnrolledAccepts Medicare Assignment

73/100

CMS Quality Rating

615 S NEW BALLAS RD, SAINT LOUIS, MO 63141(314) 251-6031(314) 251-6343 Get Directions Write a Review

NPPES record last updated: November 17, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 17, 2022, Nov 11, 2019 (2 updates tracked since 2019).

On this page

About Dr. Shannon Grace Farmakis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SHANNON GRACE FARMAKIS MD (NPI 1720280175) is an individual diagnostic radiology provider in Saint Louis, Missouri, licensed in Missouri (200813456) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Saint Louis University School Of Medicine (2005).

NPPES Registry Identity

NPI1720280175

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameDR. SHANNON GRACE FARMAKISCredential: MD

Location Address615 S NEW BALLAS RDSaint Louis, MO 63141-8221

Mailing Address11475 Olde Cabin Rd Ste 200Saint Louis, MO 63141-7129 · (314) 991-8200 · Fax (314) 991-8206

Phone(314) 251-6031

Fax(314) 251-6343

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 2005

Enumeration DateJune 5, 2007

Last NPPES UpdateNovember 17, 20222 updates tracked since enumeration

NPPES CertifiedNovember 17, 2022

✔ NPI 1720280175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in MO · 200813456✔ Licensed in KS · 0444325✔ Licensed in ID · M-14782

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · Pediatric RadiologyTaxonomy 2085P0229X · License M-14782 (ID), MD60962082 (WA)

615 S NEW BALLAS RD, Saint Louis, MO 63141

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Other Names 1

Former Name (1)Dr. Shannon Grace Lehner Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente, Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Shannon Grace Farmakis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729211479

PECOS Enrollment IDI20140502000814, I20241015004254

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Shannon Farmakis reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

West County Radiological Group, Inc.

Same address

Diagnostic Radiology

615 S NEW BALLAS RD, DEPT OF RADIOLOGY
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
86 clinicians in this Medicare group

NPI 1477500585 (314) 251-6031

Evergreen Radia LLC

1,706 mi

Diagnostic Radiology

11521 NE 128TH ST, SUITE 200
Kirkland, WA 98034

Reassigned Medicare billing, Missouri enrollment
3 clinicians in this Medicare group

NPI 1922095694 (425) 952-6100

Swedish Health Services

1,710 mi

Body Imaging

13020 MERIDIAN AVE S
Everett, WA 98208

Reassigned Medicare billing, Washington enrollment
194 clinicians in this Medicare group

NPI 1114356904 (425) 357-3960

Radia Imaging Center Holdings LLC

1,711 mi

Diagnostic Radiology

1229 MADISON ST STE 900
Seattle, WA 98104

Reassigned Medicare billing, Missouri enrollment
2 clinicians in this Medicare group

NPI 1639653017 (206) 292-6233

Swedish Health Services

1,711 mi

Internal Medicine

800 5TH AVE, STE 600
Seattle, WA 98104

Reassigned Medicare billing, Washington enrollment
1,270 clinicians in this Medicare group

NPI 1689612954 (206) 320-2700

Radia Inc P S

1,711 mi

Diagnostic Radiology

19020 33RD AVE W, SUITE 210
Lynnwood, WA 98036

Reassigned Medicare billing, Missouri enrollment
4 clinicians in this Medicare group

NPI 1932196607 (425) 563-1500

Swedish Radia Imaging Center At Edmonds LLC

1,714 mi

Diagnostic Radiology

21700 HIGHWAY 99
Edmonds, WA 98026

Reassigned Medicare billing, Missouri enrollment
3 clinicians in this Medicare group

NPI 1164494373 (425) 640-4949

Radia Oregon Radiology Medical Group LLC

1,716 mi

Diagnostic Radiology

842 E MAIN ST
Medford, OR 97504

Reassigned Medicare billing, Missouri enrollment
4 clinicians in this Medicare group

NPI 1073385423 (425) 563-1500

South Sound Radiologists Inc P S

1,730 mi

Diagnostic Radiology

3417 ENSIGN RD NE
Olympia, WA 98506

Reassigned Medicare billing, Missouri enrollment
3 clinicians in this Medicare group

NPI 1902990500 (360) 493-4600

Radia California Radiology Medical Group Inc

1,738 mi

Diagnostic Radiology

121 SOTOYOME ST
Santa Rosa, CA 95405

Reassigned Medicare billing, Missouri enrollment
3 clinicians in this Medicare group

NPI 1740982032 (425) 563-1500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 35

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

503 services462 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

119 services116 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

81 services81 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

69 services62 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

63 services63 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

60 services60 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

56 services56 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

55 services55 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

44 services44 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

36 services34 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

36 services34 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

35 services35 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

35 services35 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

33 services32 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

32 services32 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

29 services26 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

25 services25 patients

X-ray of chest, 2 views 71046

24 services16 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

23 services22 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

23 services22 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

21 services21 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

19 services18 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

18 services17 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

16 services16 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

16 services14 patients

Ultrasound scan of scrotum 76870

An ultrasound scan of the scrotum is a non-invasive imaging test. It uses sound waves to create pictures of the structures within the lower abdominal area. This helps to assess any discomfort or abnormalities you might be experiencing. The procedure is safe and painless.

16 services16 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

15 services15 patients

Ultrasound of abdomen and pelvis artery and vein blood flow 93976

An ultrasound of your abdomen and pelvis arteries and veins is a non-invasive procedure that uses sound waves to create images of your blood vessels. This helps in assessing the flow of blood, identifying blockages, or detecting other abnormalities. It's a safe, painless process.

15 services15 patients

Ct scan of chest without contrast 71250

14 services12 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

14 services13 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

14 services14 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

14 services12 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

14 services14 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

13 services13 patients

Complete ultrasound scan behind abdominal cavity 76770

12 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260020

Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County

Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260052

Location901 East 5th StreetWashington, MO 63090 · Franklin County

Emergency services

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260077

Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County

Emergency services

Peacehealth Southwest Medical Center

Acute Care Hospitals · Vancouver, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500050

Location400 NE Mother Joseph PlaceVancouver, WA 98668 · Clark County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

72.28

Improvement Activities

Cost

60.82

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. PATRICIA ANN RICE APN

Nurse Practitioner (Family)

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6339

MARY BETH WALKER FNP

Nurse Practitioner (Family)

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6000

LOVEPREET SINGH RANDHAWA MD

Internal Medicine

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6339

DR. CONNOR ROBERT REIS DO

Internal Medicine

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6930

MR. SHEBY THOMAS AA-S

Anesthesiologist Assistant

615 S NEW BALLAS RD, DEPT OF ANESTHESIOLOGY
SAINT LOUIS, MO 63141

St. Louis County (636) 386-9224

JOSE L OLIVER SEGARRA

Dentist

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6382

CAREN BIRKENKAMP PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 251-6000

ANAS M HASIC MD

Internal Medicine

615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

St. Louis County (314) 509-5305

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Shannon Farmakis's NPI number?

The NPI number for Shannon Farmakis is 1720280175. It was assigned to this individual provider in the NPPES registry on June 5, 2007. The provider is also known as Dr. Shannon Grace Lehner MD.

Where is Shannon Farmakis located?

Shannon Farmakis practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6031.

What is Shannon Farmakis's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Shannon Farmakis enrolled in Medicare?

Yes. Shannon Farmakis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Shannon Farmakis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Farmakis reassigns Medicare benefits to 10 organizations: West County Radiological Group, Inc. (Saint Louis, MO), Evergreen Radia LLC (Kirkland, WA), Swedish Health Services (Everett, WA), Radia Imaging Center Holdings LLC (Seattle, WA), Swedish Health Services (Seattle, WA) and 5 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Shannon Farmakis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon Farmakis accept?

Health plans from Kaiser Permanente and Premera Blue Cross Blue Shield of Alaska list Shannon Farmakis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Shannon Farmakis affiliated with any hospitals?

According to CMS data, Shannon Farmakis is affiliated with Mercy Hospital St Louis, Mercy Hospital Washington, Mercy Hospital South and Peacehealth Southwest Medical Center.

When was this NPI record last updated?

The NPPES record for Shannon Farmakis was last updated on November 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.